/* 弹窗 */
.msgalert {
    background-color: rgba(220, 220, 220, 1);
    border-radius: 10px;
    text-align: center;
    width: 40%;
    height: 30px;
    line-height: 30px;
    position: fixed;
    bottom: 60px;
    left: 0;
    right: 0;
    margin: 0 auto;
    color: #000;
    font-size: 14px;
    z-index: 20002;
}